Direct-burning incense (or combustible incense) is lit directly by a flame and then fanned or blown out, leaving a glowing ember that smoulders and releases fragrance.
The fuel in the smoker's burner smoulders slowly because there is only a small amount of oxygen inside, until a squeeze of the bellows provides a blast of fresh air.
Buildings, burning and smouldering furiously, a town choking from smoke, women and children fleeing, men hauling furniture which they tried to rescue from the chaos.
